ConnectPRO"s ADS series is an advanced A/V switch which supports 1920 x 1200 high resolution DVI and analog stereo audio connection for speakers/microphone up to 2 systems. The built-in "Full-time DDC" makes for no more signal delay when the user is changing channels, specifically for the ultimate stability and Windows 7 & 8 compatibility. Patented "Audio Switching and Procession Technology" ensures the user is enjoying high quality audio output. The 2-in, 1-out design of the ADS-12-I is convenient for you to connect PCs, notebooks, DVD player, etc. It"s a professional video audio solution to make presentations and meetings much easier and efficient.The ADS series also has an RS-232 connection for additional control options, as well as IR remote (sold separately) compatibility.Comes with A/C power adapter. DVI cables sold separately.